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GB/T 17554
English versions: GB/T 1232
English versions: GB/T 33798-2025
GB 32032-2024_Chinese: Norm of energy consumption per unit production for gold mining
GB/T 41869
GB 25502-2024 Chinese PDF GB/T 45149-2025 GB/T 17554GB 25502 2024_Chinese: Minimum allowable values of water efficiency and water efficiency grades for water closets (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 25502 2024
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US$ 27.90
US$ 16.00
